multicol-span-all-dynamic-add-008.html (1418B)
1 <!DOCTYPE html> 2 <html class="reftest-wait"> 3 <meta charset="utf-8"> 4 <title>CSS Multi-column Layout Test: Add a nested multi-column spanner to the outer column</title> 5 <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> 6 <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> 7 <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span"> 8 <link rel="match" href="multicol-span-all-dynamic-add-008-ref.html"> 9 <meta name="assert" content="This test checks a dynamically added 'column-span' element should be rendered correctly."> 10 11 <script> 12 function runTest() { 13 document.body.offsetHeight; 14 15 /* Add a nested multi-column spanner to the outer column. */ 16 var spanner = document.createElement("h3"); 17 var text = document.createTextNode("multi-column spanner"); 18 spanner.appendChild(text); 19 20 var column = document.getElementById("column"); 21 column.insertBefore(spanner, column.children[1]); 22 23 document.documentElement.removeAttribute("class"); 24 } 25 </script> 26 27 <style> 28 #column { 29 column-count: 3; 30 column-rule: 6px solid; 31 width: 400px; 32 outline: 1px solid black; 33 } 34 h3 { 35 column-count: 2; 36 column-span: all; 37 outline: 1px solid blue; 38 } 39 </style> 40 41 <body onload="runTest();"> 42 <article id="column"> 43 <div>block1</div> 44 <h3>spanner</h3> 45 <div>block2</div> 46 </article> 47 </body> 48 </html>